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    • 3. 发明公开
    • Three-dimensional multichip packaging method
    • Dreidimensionale Mehrchippackungen und Herstellungsverfahren。
    • EP0531723A1
    • 1993-03-17
    • EP92113573.7
    • 1992-08-10
    • International Business Machines Corporation
    • Bertin, Claude LouisFarrar, Paul Alden, Sr.Kalter, Howard LeoKelley, Gordon Arthur, Jr.van der Hoeven, Willem BernardWhite, Francis Roger
    • H01L25/065
    • H01L25/0657H01L25/0652H01L2224/05009H01L2225/06527H01L2225/06541H01L2225/06555
    • A fabrication method and resultant three-dimensional multichip package having a densely stacked array of semiconductor chips interconnected at least partially by means of a plurality of metallized trenches are disclosed. The fabrication method includes providing an integrated circuit chip (50) having high aspect ratio metallized trenches (62) therein extending from a first surface to a second surface (58) thereof. An etch stop layer is provided proximate the termination position of the metallized trenches with the semiconductor substrate (52). Next the integrated circuit device is affixed to a carrier (70) such that the surface of the supporting substrate is exposed and substrate is thinned from the integrated circuit device until exposing at least some of the plurality of metallized trenches therein. Electrical contact can thus be made to the active layer of the integrated circuit chip via the exposed metallized trenches (66). Specific details of the fabrication method and the resultant multichip package are set forth.
    • 公开了一种具有通过多个金属化沟槽至少部分互连的半导体芯片的密集堆叠阵列的制造方法和所得的三维多芯片封装。 制造方法包括提供在其中从其第一表面延伸到第二表面(58)的具有高纵横比的金属化沟槽(62)的集成电路芯片(50)。 在金属化沟槽的与半导体衬底(52)的终止位置附近提供蚀刻停止层。 接下来,集成电路器件被固定到载体(70)上,使得支撑衬底的表面被暴露,并且衬底从集成电路器件变薄,直到暴露其中的多个金属化沟槽中的至少一些。 因此,可以通过暴露的金属化沟槽(66)将集成电路芯片的有源层进行电接触。 阐述制造方法和所得多芯片封装的具体细节。